import docker import json import time import os from itertools import groupby title = os.environ.get("DST_TITLE", "Docker Status") caption = os.environ.get("DST_CAPTION", 'Status page using dst') path = os.environ.get("DST_PATH", "/data") interval = int(os.environ.get("DST_INTERVAL", "30")) filter_label = os.environ.get("DST_FILTER_LABEL", False) filters = {} if filter_label: filters["label"] = filter_label name_label = os.environ.get("DST_NAME_LABEL", False) group_label = os.environ.get("DST_GROUP_LABEL", False) url_label = os.environ.get("DST_URL_LABEL", False) css = 'body{padding:0;max-width:50em;margin:auto;background:#f2f2f2;box-shadow:0 0.5rem 1rem rgba(0, 0, 0, 0.2);font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"}.content{background:#fcfcfc;padding:1rem;text-align:center}footer,header{text-align:center}article{margin:1rem}h2{margin-bottom:0}section{margin-bottom:.5rem;border:1px #eee solid;border-radius:4px;background:white;display:flex;padding:0.5rem 1rem}section *{margin:0}h3{flex-grow:1;text-align:left}h3 a{text-decoration:none}section p{align-self:center}.health,.status{text-transform:capitalize;min-width:5em}.health::after,.status::after{font-size:1.5rem;vertical-align:middle}.health-none,.status-created,.status-paused{color:cornflowerblue}.health-healthy,.status-running{color:#7ED321}.health-healthy::after,.status-running::after{content:"\\2714"}.health-starting,.status-removing,.status-restarting{color:#ffbf00}.health-starting::after,.status-restarting::after{content:"\\21bb"}.status-removing::after{content:"\\21af"}.health-unhealthy,.status-dead,.status-exited{color:orangered}.health-unhealthy::after,.status-dead::after,.status-exited::after{content:"\\2718"}a{color:black}' header = '{0}

{0}

{1}
' article = '

{}

{}
' section = '

{0}

{2}

{4}

' footer = '
' client = docker.from_env() def formatContainer(container): state = container.attrs.get("State", {}) health = state.get("Health", {}) return { "name": container.labels.get(name_label, container.name), "group": container.labels.get(group_label, ""), "url": container.labels.get(url_label, ""), "status": container.status, "start": state.get("StartedAt"), "stop": state.get("FinishedAt"), "health": { "status": health.get("Status", "none"), "fails": health.get("FailingStreak", 0) } } def byGroup(l): return l.get("group") def loop(): while True: try: report = list( map(formatContainer, client.containers.list(all=True, filters=filters))) with open(path + "/style.css", 'w') as outfile: outfile.write(css) with open(path + "/status.json", 'w') as outfile: json.dump(report, outfile) with open(path + "/index.html", 'w') as outfile: outfile.write(header.format(title, caption)) for (g, ls) in groupby(sorted(report, key=byGroup), key=byGroup): content = map(lambda l: section.format( l.get("name"), l.get("url"), l.get("status"), l.get("stop") if l.get("status") in ["exited", "dead"] else l.get("start"), l.get("health").get("status"), l.get("health").get("fails")), ls) outfile.write(article.format(g, ''.join(content))) outfile.write(footer) except docker.errors.NotFound: print('Container bad move. Restarting.') time.sleep(interval) try: loop() except KeyboardInterrupt: print('\n\nKeyboard exception received. Exiting.') exit()